Slide viewer



FIG. 1 is a top and left front perspective view of a slide viewer showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image thereof;

FIG. 3 _is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a slide viewer, substantially as shown and described. 